<?php

namespace App\Filament\Resources;

use App\Filament\Resources\InventorySyncRunResource\Pages;
use App\Models\InventorySyncRun;
use App\Models\Tenant;
use App\Support\OperationRunLinks;
use BackedEnum;
use Filament\Actions;
use Filament\Infolists\Components\TextEntry;
use Filament\Infolists\Components\ViewEntry;
use Filament\Resources\Resource;
use Filament\Schemas\Components\Section;
use Filament\Schemas\Schema;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use UnitEnum;

class InventorySyncRunResource extends Resource
{
    protected static ?string $model = InventorySyncRun::class;

    protected static bool $shouldRegisterNavigation = false;

    protected static string|BackedEnum|null $navigationIcon = 'heroicon-o-clock';

    protected static string|UnitEnum|null $navigationGroup = 'Inventory';

    public static function form(Schema $schema): Schema
    {
        return $schema;
    }

    public static function infolist(Schema $schema): Schema
    {
        return $schema
            ->schema([
                Section::make('Legacy run view')
                    ->description('Canonical monitoring is now available in Monitoring → Operations.')
                    ->schema([
                        TextEntry::make('canonical_view')
                            ->label('Canonical view')
                            ->state('View in Operations')
                            ->url(fn (InventorySyncRun $record): string => OperationRunLinks::index(Tenant::current() ?? $record->tenant))
                            ->badge()
                            ->color('primary'),
                    ])
                    ->columnSpanFull(),

                Section::make('Sync Run')
                    ->schema([
                        TextEntry::make('user.name')
                            ->label('Initiator')
                            ->placeholder('—'),
                        TextEntry::make('status')
                            ->badge()
                            ->color(fn (InventorySyncRun $record): string => static::statusColor($record->status)),
                        TextEntry::make('selection_hash')->label('Selection hash')->copyable(),
                        TextEntry::make('started_at')->dateTime(),
                        TextEntry::make('finished_at')->dateTime(),
                        TextEntry::make('items_observed_count')->label('Observed')->numeric(),
                        TextEntry::make('items_upserted_count')->label('Upserted')->numeric(),
                        TextEntry::make('errors_count')->label('Errors')->numeric(),
                        TextEntry::make('had_errors')->label('Had errors')->badge(),
                    ])
                    ->columns(2)
                    ->columnSpanFull(),

                Section::make('Selection Payload')
                    ->schema([
                        ViewEntry::make('selection_payload')
                            ->label('')
                            ->view('filament.infolists.entries.snapshot-json')
                            ->state(fn (InventorySyncRun $record) => $record->selection_payload ?? [])
                            ->columnSpanFull(),
                    ])
                    ->columnSpanFull(),

                Section::make('Error Summary')
                    ->schema([
                        ViewEntry::make('error_codes')
                            ->label('Error codes')
                            ->view('filament.infolists.entries.snapshot-json')
                            ->state(fn (InventorySyncRun $record) => $record->error_codes ?? [])
                            ->columnSpanFull(),
                        ViewEntry::make('error_context')
                            ->label('Safe error context')
                            ->view('filament.infolists.entries.snapshot-json')
                            ->state(fn (InventorySyncRun $record) => $record->error_context ?? [])
                            ->columnSpanFull(),
                    ])
                    ->columnSpanFull(),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->defaultSort('id', 'desc')
            ->columns([
                Tables\Columns\TextColumn::make('user.name')
                    ->label('Initiator')
                    ->placeholder('—')
                    ->toggleable(),
                Tables\Columns\TextColumn::make('status')
                    ->badge()
                    ->color(fn (InventorySyncRun $record): string => static::statusColor($record->status)),
                Tables\Columns\TextColumn::make('selection_hash')
                    ->label('Selection')
                    ->copyable()
                    ->limit(12),
                Tables\Columns\TextColumn::make('started_at')->since(),
                Tables\Columns\TextColumn::make('finished_at')->since(),
                Tables\Columns\TextColumn::make('items_observed_count')
                    ->label('Observed')
                    ->numeric(),
                Tables\Columns\TextColumn::make('items_upserted_count')
                    ->label('Upserted')
                    ->numeric(),
                Tables\Columns\TextColumn::make('errors_count')
                    ->label('Errors')
                    ->numeric(),
            ])
            ->actions([
                Actions\ViewAction::make(),
            ])
            ->bulkActions([]);
    }

    public static function getEloquentQuery(): Builder
    {
        $tenantId = Tenant::current()->getKey();

        return parent::getEloquentQuery()
            ->with('user')
            ->when($tenantId, fn (Builder $query) => $query->where('tenant_id', $tenantId));
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListInventorySyncRuns::route('/'),
            'view' => Pages\ViewInventorySyncRun::route('/{record}'),
        ];
    }

    private static function statusColor(?string $status): string
    {
        return match ($status) {
            InventorySyncRun::STATUS_SUCCESS => 'success',
            InventorySyncRun::STATUS_PARTIAL => 'warning',
            InventorySyncRun::STATUS_FAILED => 'danger',
            InventorySyncRun::STATUS_SKIPPED => 'gray',
            InventorySyncRun::STATUS_RUNNING => 'info',
            default => 'gray',
        };
    }
}
